3722429 has 4 divisors (see below), whose sum is σ = 3727776. Its totient is φ = 3717084.

The previous prime is 3722419. The next prime is 3722437. The reversal of 3722429 is 9242273.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9242273 = 2551 ⋅3623.

It is a cyclic number.

It is not a de Polignac number, because 3722429 - 2⁴ = 3722413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (931944).

Almost surely, 2^3722429 is an apocalyptic number.

It is an amenable number.

3722429 is a deficient number, since it is larger than the sum of its proper divisors (5347).

3722429 is an equidigital number, since it uses as much as digits as its factorization.

3722429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5346.

The product of its digits is 6048, while the sum is 29.

The square root of 3722429 is about 1929.3597383588. The cubic root of 3722429 is about 154.9799349677.

The spelling of 3722429 in words is "three million, seven hundred twenty-two thousand, four hundred twenty-nine".